// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CC_INPUT_BROWSER_CONTROLS_OFFSET_MANAGER_CLIENT_H_
#define CC_INPUT_BROWSER_CONTROLS_OFFSET_MANAGER_CLIENT_H_

namespace cc {

class CC_EXPORT BrowserControlsOffsetManagerClient {
public:
    virtual float TopControlsHeight() const = 0;
    virtual float BottomControlsHeight() const = 0;
    virtual void SetCurrentBrowserControlsShownRatio(float ratio) = 0;
    virtual float CurrentBrowserControlsShownRatio() const = 0;
    virtual void DidChangeBrowserControlsPosition() = 0;
    virtual bool HaveRootScrollLayer() const = 0;

protected:
    virtual ~BrowserControlsOffsetManagerClient() { }
};

} // namespace cc

#endif // CC_INPUT_BROWSER_CONTROLS_OFFSET_MANAGER_CLIENT_H_
